<template>
    <div class="goodsinfo-container">
        <transition @before-enter="beforeenter" @enter="enter" @after-enter="afterenter">
            <div class="ball" v-show="flag" ref="ball"></div>
        </transition>
        
        <!-- 商品轮播图区域 -->
        <div class="mui-card">
            <div class="mui-card-content">
                <div class="mui-card-content-inner">
                    <swiper :getLunbotuList="lunbotu" :isfull="false"></swiper>
                </div>
            </div>
        </div>
        <!-- 商品购买区域 -->
        <div class="mui-card">
            <div class="mui-card-header">商品的名称</div>
            <div class="mui-card-content">
                <div class="mui-card-content-inner">
                    <p class="price">
                        市场价：<del>￥2399</del>&nbsp;&nbsp;销售价: <span class="now_price">￥{{now_price}}</span>
                    </p>
                    <p>购买数量：<numbox  :max="60" @getCount="getSelectedCount"></numbox></p>
                    <p>
                        <mt-button type="primary" size="small">立即购买</mt-button>
                        <mt-button type="danger" size="small" @click="addToShopCar()">加入购物车</mt-button>
                    </p>
                </div>
            </div>
        </div>
        <!-- 商品参数区域 -->
        <div class="mui-card">
            <div class="mui-card-header">
                商品参数
            </div>
            <div class="mui-card-content">
                <div class="mui-card-content-inner">
                    <p>商品货号：</p>
                    <p>库存情况：60</p>
                    <p>上架时间：</p>
                </div>
            </div>
            <div class="mui-card-footer">
                <mt-button type="primary" size="large" plain @click="goDesc(id)">图文介绍</mt-button>
                <mt-button type="danger" size="large" plain @click="goComment(id)">商品评论</mt-button>
                <!-- <mt-button type="primary" size="large" plain @click="goDesc(item.id)">图文介绍</mt-button>
                <mt-button type="danger" size="large" plain @click="goComment(item.id)">商品评论</mt-button> -->
            </div>
        </div>
    </div>
</template>
<script>
import swiper from '../subcomponents/swiper.vue'
import numbox from '../subcomponents/goodsinfo_numbox.vue'

export default {
    data(){
        return{
            // id: this.$route.params.id,
            id: 10,
            lunbotu:[],
            goodsInfo: {},
            flag: false,
            selectedCount: 1,
            now_price:'2199'
        }
    },
    created(){
        this.getLunBoTu()
        // this.getGoodsInfo()
    },
    methods: {
        getLunBoTu(){
            this.$http.get("http://www.liulongbin.top:3005/api/getlunbo").then(res => {
                if(res.data.status == 0){
                    //先循环轮播图数组的每一项，为item添加img属性，因为轮播图组件中，只认识item.img，不认识 item.src
                    // res.data.message.forEach(item=>{
                    //     item.img=item.src
                    // })
                    this.lunbotu = res.data.message
                }else {
                    Toast('加载失败...')
                }
            })
        },
        getGoodsInfo(){
            this.$http.get('/apigoods/getinfo'+this.id).then(res=>{
                if(res.body.status==0){
                    this.goodsInfo=res.body.message[0]
                }
            })
        },
        goDesc(id){
            this.$router.push({name:'GoodsDesc', params: {id}})
        },
        goComment(id){
            this.$router.push({name: 'GoodsComment', params: {id}})
        },
        addToShopCar(){
            this.flag=!this.flag
            var goodsinfo = {
                id: this.id,
                count: this.selectedCount,
                price: this.now_price,
                selected: true
            }
            this.$store.commit('addToCar', goodsinfo)
        },
        beforeenter(el){
            el.style.transform = 'translate(0,0)'
        },
        enter(el, done){
            el.offsetWidth
            const ballPosition = this.$refs.ball.getBoundingClientRect()
            const badgePosition = document.getElementById('badge').getBoundingClientRect()
            const xDist = badgePosition.left - ballPosition.left
            const yDist = badgePosition.top - ballPosition.top
            el.style.transform = `translate(${xDist}px, ${yDist}px)`
            el.style.transition = 'all 0.5s cubic-bezier(.4,-0.3,1,0.68)'
            done()
        },
        afterenter(el){
            this.flag = !this.flag
        },
        getSelectedCount(count){
            this.selectedCount = count
            console.log('父组件数据'+this.selectedCount)
        }
    },
    components:{
        swiper,
        numbox
    }
}
</script>
<style lang="scss" scoped>
body{
    background: #eee;
}
.goodsinfo-container{
    background: #eee;
    overflow: hidden;
    .now_price{
        color: red;
        font-size: 16px;
        font-weight: bold;
    }
    .mui-card-footer{
        display: block;
        button{
            margin: 15px 0;
        }
    }
    .ball{
        width: 15px;
        height: 15px;
        border-radius: 50%;
        background: red;
        position: absolute;
        z-index: 99;
        top: 390px;
        left: 146px;
    }
}

</style>
